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80218: Add BitstreamService#getThumbnail

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This commit is contained in:
Yura Bondarenko
2021-06-22 14:35:42 +02:00
parent bb797f7822
commit b5f49f87bf
2 changed files with 23 additions and 0 deletions
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21
dspace-api/src/main/java/org/dspace/content/BitstreamServiceImpl.java
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@@ -13,6 +13,8 @@ import java.sql.SQLException;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Nullable;
import org.apache.commons.collections4.CollectionUtils;
@@ -409,6 +411,25 @@ public class BitstreamServiceImpl extends DSpaceObjectServiceImpl<Bitstream> imp
return null;
}
@Override
public Bitstream getThumbnail(Context context, Bitstream bitstream) throws SQLException {
Pattern pattern = Pattern.compile("^" + bitstream.getName() + ".([^.]+)$");
for (Bundle bundle : bitstream.getBundles()) {
for (Item item : bundle.getItems()) {
for (Bundle thumbnails : itemService.getBundles(item, "THUMBNAIL")) {
for (Bitstream thumbnail : thumbnails.getBitstreams()) {
if (pattern.matcher(thumbnail.getName()).matches()) {
return thumbnail;
}
}
}
}
}
return null;
}
@Override
public BitstreamFormat getFormat(Context context, Bitstream bitstream) throws SQLException {
if (bitstream.getBitstreamFormat() == null) {